<%@ page language="java"  pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" isELIgnored="false" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>welcome</title>
</head>
<body>
<div id="main">
    <div id="head">
        <h2>学校后台管理系统</h2>
    </div>
    <div id="menu">
        <ul>
            <li><a href="19. iframe-1.html" target="content-iframe">班级管理</a></li>
            <li><a href="19. iframe-2.html" target="content-iframe">学生管理</a></li>
        </ul>
    </div>
    <iframe id="content" name="content-iframe"
            src="19. iframe-1.html" scrolling="auto"
            frameborder="1">

    </iframe>
</div>
</body>
</html>